How to enable recycle bin or trash in hadoop?
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How to change replication factor of files already stored in HDFS?
What if rack 2 and datanode fails?
Can Apache Kafka be used without Zookeeper?
Explain the basic architecture of Hadoop?
What is HDFS Federation?
What happens to a namenode, when job tracker is down?
Why we cannot do aggregation (addition) in a mapper? Why we require reducer for that?
Is it possible to provide multiple inputs to hadoop? If yes, explain.
Can hbase run without hadoop?
What is the difference between hadoop and other data processing tools?
Input Split & Record Reader and what they do?
How the HDFS Blocks are replicated?
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